Wireless World valve articles from the past

DouglasSelf · 31st January 2011, 08:47 PM

You might be interested to know that I have just opened a Wireless World archive page on my website. The articles are old enough to be out of copyright, and so inevitably are focused on valve technology. The first item is a 1957 article on transformerless valve amplifiers.

See it here: The Wireless World Archive

.

taj · 31st January 2011, 09:20 PM

That's great, Douglas. Very much appreciated. Thanks.

..Todd

tunneldiode · 31st January 2011, 09:21 PM

Thankyou, Douglas for an interesting WW article that I haven't got (my earliest WW dates from 1962)
While we're here, thanks also for "The Baxandall Papers", pure-gold.

toprepairman · 1st February 2011, 06:53 AM

Nice one, Doug.
Incidentally I lent my copy of your excellent book (amp design) to someone a little while ago, and I don't remember who and it hasn't come back, boo hoo.
Do you ever visit the Tonbrigdeaudiojumble?
Regards
Henry

Rod Coleman · 1st February 2011, 07:37 AM

Valves, Douglas? Impressions gained from reading your own articles in the same Wireless organ left me with the impression that you regarded the thermionic FET as a plaguey anachronism -doomed to a well-earned extinction ere the Millennium turned.

Or have the intervening years softened your heart. Can we expect articles on squeezing the most out of a 2A3, supported by transistor current sources and new ingenuities?

taj · 1st February 2011, 09:15 AM

Rod, you're dreaming.

..Todd

DouglasSelf · 1st February 2011, 03:11 PM

Quote:

Originally Posted by Rod Coleman

Valves, Douglas? Impressions gained from reading your own articles in the same Wireless organ left me with the impression that you regarded the thermionic FET as a plaguey anachronism -doomed to a well-earned extinction ere the Millennium turned.

Or have the intervening years softened your heart. Can we expect articles on squeezing the most out of a 2A3, supported by transistor current sources and new ingenuities?

Softened my heart? You must have the wrong bloke. I think valves are an expensive, inefficient, unreliable, noisy, non-linear and potentially dangerous way to make an amplifier, but apart from that I have nothing against them.

Having said that, I think any bit of amplification technology can be interesting, eg:

Electro-Mechanical amplifiers

or even:

Mechanical Amplifiers.

I am just about to upload a valve amplifier design by Peter Baxandall. Anything written by Peter is worth reading.

Rod Coleman · 1st February 2011, 03:39 PM

Non-Linear? You must have the wrong device. compared to bipolar transistor??

Still, here's a kind of glass bottle you may prefer the look of:

.

tunneldiode · 1st February 2011, 03:50 PM

I certainly agree with expensive.

radiostar · 1st February 2011, 04:27 PM

Great!!! TNX Douglas!!!

31st January 2011, 08:47 PM	#1
DouglasSelf diyAudio Member Join Date: Mar 2007	Wireless World valve articles from the past You might be interested to know that I have just opened a Wireless World archive page on my website. The articles are old enough to be out of copyright, and so inevitably are focused on valve technology. The first item is a 1957 article on transformerless valve amplifiers. See it here: The Wireless World Archive . __________________ Douglas Self

1st February 2011, 04:27 PM	#10
radiostar diyAudio Member Join Date: Apr 2009	Great!!! TNX Douglas!!! __________________ tubes.rs facebook.com/tubes.rs

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31st January 2011, 09:20 PM	#2
taj diyAudio Member Join Date: Feb 2005	That's great, Douglas. Very much appreciated. Thanks. ..Todd

31st January 2011, 09:21 PM	#3
tunneldiode diyAudio Member Join Date: Jan 2011	Thankyou, Douglas for an interesting WW article that I haven't got (my earliest WW dates from 1962) While we're here, thanks also for "The Baxandall Papers", pure-gold.

1st February 2011, 06:53 AM	#4
toprepairman diyAudio Member Join Date: Nov 2010	Nice one, Doug. Incidentally I lent my copy of your excellent book (amp design) to someone a little while ago, and I don't remember who and it hasn't come back, boo hoo. Do you ever visit the Tonbrigdeaudiojumble? Regards Henry

1st February 2011, 07:37 AM	#5
Rod Coleman работник diyAudio Member Join Date: Jul 2004 Location: Warwickshire UK	Valves, Douglas? Impressions gained from reading your own articles in the same Wireless organ left me with the impression that you regarded the thermionic FET as a plaguey anachronism -doomed to a well-earned extinction ere the Millennium turned. Or have the intervening years softened your heart. Can we expect articles on squeezing the most out of a 2A3, supported by transistor current sources and new ingenuities?

1st February 2011, 09:15 AM	#6
taj diyAudio Member Join Date: Feb 2005	Rod, you're dreaming. ..Todd

1st February 2011, 03:50 PM	#9
tunneldiode diyAudio Member Join Date: Jan 2011	I certainly agree with expensive.

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